Color
#6b90cc
#6b90ccrgb(107, 144, 204)hsl(217, 49%, 61%)oklch(0.651 0.099 259.8)Colors that go with #6b90cc
Charcoal, Medium Sea Green and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #6b90cc: softer than #000 and cool enough to feel like part of the same palette.
Medium Sea Green #3cb371
triadicshippedMedium Sea Green completes a triad with #6b90cc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #6b90cc in 9 real palettes, including Blueprint and Google's brand system, as the accent.
Blue #0000ff
shipped5 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #6b90cc, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #6b90cc: 4 real palettes, including Blue Mono and Hershey's's brand system, as the lead colour.
Copper #b87333
split-complementshippedCopper is a split-complement of #6b90cc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
shippedCrimson is paired with #6b90cc in 4 real palettes, including Retro Pop and NASCAR's brand system, as the lead colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #6b90cc in 4 real palettes, including Elastic's brand system and Ahrefs's brand system, as the lead colour.
Real palettes that use #6b90cc
Tints & shades
Harmonies
Contrast
| #6b90cc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.24:1 | fail | pass | fail | |
Aaon black | 6.49:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b90cc as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#6b90cc reads as cool, modern. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #6b90cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6b90cc-9ca7c4-df624e-201f2d-e9f0f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md